Webasto Air Top Evo 3900 Workshop Manual page 2

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Improper installation or repair of Webasto heating and cooling systems can cause fire or the
leakage of deadly carbon monoxide leading to serious injury or death.
To install and repair Webasto heating and cooling systems you need to have completed a
Webasto training course and have the appropriate technical documentation, special tools and
special equipment.
Only genuine Webasto parts may be used. See also Webasto air and water heaters accessories
catalogue.
NEVER try to install or repair Webasto heating or cooling systems if you have not completed a
Webasto training course, you do not have the necessary technical skills and you do not have
the technical documentation, tools and equipment available to ensure that you can complete
the installation and repair work properly.
ALWAYS carefully follow Webasto installation and repair instructions and heed all WARNINGS.
Webasto rejects any liability for problems and damage caused by the system being installed by
untrained personnel.
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